Granted Patent
Utility
US 6,013,394 · App. 09/009,557
Organic sulfate additives for nonaqueous electrolyte in alkali metal electrochemical cells
Inventors:
Hong Gan, Esther S. Takuchi
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jan 20, 1998
Inventors
Hong Gan
Esther S. Takuchi
Assignee (at issue)
Wilson Greatbatch, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.